Step plane notch edge of an agricultural drill/planter/coulter/disc blade



FIG. 1 is a perspective view of a step plane notch edge of anagricultural drill/planter/coulter/disc blade, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top elevational view thereof;

FIG. 5 is a bottom elevational view thereof; and,

FIG. 6 is a perspective, close up view of the step plane notch edge.

The dashed lines shown represent the environment and represent unclaimedsubject matter and form no part of the claimed design.

CLAIM The ornamental design for a step plane notch edge of anagricultural drill/planter/coulter/disc blade as shown and described.